School boy sinks to pool bottom unnoticed by a dozen parents

A US school boy nearly drowned in a pool full of students and surrounded by parents, with distressing video showing him lying unnoticed at the bottom of the pool for nearly one minute.

Larryn Watkins was placed in an induced coma after the near-death incident in Buffalo, New Jersey, on Tuesday while on a school visit.

The 13-year-old was pulled from the water by a life guard before others performed CPR on the poolside with the whole chaotic scene captured on video.

"I heard a woman yell: 'Is he okay? Is he okay?' And then she walked away. Then I saw a lifeguard jump in and pull the boy out of the pool," said Julienne Kuty, who filmed events while accompanying her grandchild to the pool.

Ms Kuty told 7Eyewitness News her daughter-in-law, a nurse, helped to resuscitate the boy when he regained consciousness.

"My son came up with 57 seconds that he was actually under the water," she said.

Larry was not taken to hospital immediately, with school officials believing he would "soon be able to walk".